Portion of an internal combustion engine



FIG. 1 is a front, left side perspective view of a preferred embodiment of a portion of the internal combustion engine;

FIG. 2 is an enlarged fragmentary view of the preferred embodiment of FIG. 1;

FIG. 3 is a front, right side perspective view of the preferred embodiment;

FIG. 4 is an enlarged fragmentary view of the preferred embodiment of FIG. 3;

FIG. 5 is a rear, left side perspective view of the preferred embodiment;

FIG. 6 is an enlarged fragmentary view of the preferred embodiment of FIG. 5;

FIG. 7 is a rear, right side perspective view of the preferred embodiment;

FIG. 8 is an enlarged fragmentary view of the preferred embodiment of FIG. 7;

FIG. 9 is a front elevational view of the preferred embodiment;

FIG. 10 is an enlarged fragmentary view of the preferred embodiment of FIG. 9;

FIG. 11 is a top view of the preferred embodiment;

FIG. 12 is an enlarged fragmentary view of the preferred embodiment of FIG. 11;

FIG. 13 is a right side elevational view of the preferred embodiment;

FIG. 14 is an enlarged fragmentary view of the preferred embodiment of FIG. 13;

FIG. 15 is a rear elevational view of the preferred embodiment;

FIG. 16 is an enlarged fragmentary view of the preferred embodiment of FIG. 15;

FIG. 17 is a bottom view of the preferred embodiment; and,

FIG. 18 is an enlarged fragmentary view of the preferred embodiment of FIG. 17.

The broken lines in the figures are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of an internal combustion engine, as shown and described. 